int main()
{int aux,c1,c2,g,n;
cin>>n;
    aux=n;int p=1;n=0;
    while(aux!=0)
    {c1=aux%10;
       n=n+p*c1;
       p=p*10;
       c2=(aux/10)%10;
       if(c1>c2) g= c1- c2;
         else g=c2-c1;
        n=n+p*g;
        p=p*10;
        n=n+c2*p;
        aux=aux/10;
    }
    cout<<n;
    return 0;
}